A290453 - OEIS

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A290453 as a triangular array

												1
											1		0
										1		1		0
									1		1		1		0
								1		2		2		1		0
							1		2		0		2		1		0
						1		0		2		2		0		1		0
					1		0		0		1		0		0		1		0
				1		1		0		1		1		0		1		1		0
			1		1		1		1		1		1		1		1		1		0
		1		2		2		2		2		2		2		2		2		1		0
	1		2		0		0		0		0		0		0		0		2		1		0
1		0		2		0		0		0		0		0		0		2		0		1		0

A290453 as a square array

1	1	1	1	1	1	1	1	1	1	1	1	1
0	1	1	2	2	0	0	1	1	2	2	0
0	1	2	0	2	0	0	1	2	0	2
0	1	2	2	1	1	1	2	0	0
0	1	0	0	1	1	2	0	0
0	1	0	0	1	2	0	0
0	1	1	1	2	0	0
0	1	1	2	0	0
0	1	2	0	0
0	1	2	2
0	1	0
0	1
0

A290453 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1	1	1
	0	1	1	2	2	0	0	1	1	2	2	0
		0	1	2	0	2	0	0	1	2	0	2
			0	1	2	2	1	1	1	2	0	0
				0	1	0	0	1	1	2	0	0
					0	1	0	0	1	2	0	0
						0	1	1	1	2	0	0
							0	1	1	2	0	0
								0	1	2	0	0
									0	1	2	2
										0	1	0
											0	1
												0

												1
											1		0
										1		1		0
									1		1		1		0
								1		2		2		1		0
							1		2		0		2		1		0
						1		0		2		2		0		1		0
					1		0		0		1		0		0		1		0
				1		1		0		1		1		0		1		1		0
			1		1		1		1		1		1		1		1		1		0
		1		2		2		2		2		2		2		2		2		1		0
	1		2		0		0		0		0		0		0		0		2		1		0
1		0		2		0		0		0		0		0		0		2		0		1		0

1	1	1	1	1	1	1	1	1	1	1	1	1
0	1	1	2	2	0	0	1	1	2	2	0
0	1	2	0	2	0	0	1	2	0	2
0	1	2	2	1	1	1	2	0	0
0	1	0	0	1	1	2	0	0
0	1	0	0	1	2	0	0
0	1	1	1	2	0	0
0	1	1	2	0	0
0	1	2	0	0
0	1	2	2
0	1	0
0	1
0

1	1	1	1	1	1	1	1	1	1	1	1	1
	0	1	1	2	2	0	0	1	1	2	2	0
		0	1	2	0	2	0	0	1	2	0	2
			0	1	2	2	1	1	1	2	0	0
				0	1	0	0	1	1	2	0	0
					0	1	0	0	1	2	0	0
						0	1	1	1	2	0	0
							0	1	1	2	0	0
								0	1	2	0	0
									0	1	2	2
										0	1	0
											0	1
												0

												1
											1		0
										1		1		0
									1		1		1		0
								1		2		2		1		0
							1		2		0		2		1		0
						1		0		2		2		0		1		0
					1		0		0		1		0		0		1		0
				1		1		0		1		1		0		1		1		0
			1		1		1		1		1		1		1		1		1		0
		1		2		2		2		2		2		2		2		2		1		0
	1		2		0		0		0		0		0		0		0		2		1		0
1		0		2		0		0		0		0		0		0		2		0		1		0

1	1	1	1	1	1	1	1	1	1	1	1	1
0	1	1	2	2	0	0	1	1	2	2	0
0	1	2	0	2	0	0	1	2	0	2
0	1	2	2	1	1	1	2	0	0
0	1	0	0	1	1	2	0	0
0	1	0	0	1	2	0	0
0	1	1	1	2	0	0
0	1	1	2	0	0
0	1	2	0	0
0	1	2	2
0	1	0
0	1
0

1	1	1	1	1	1	1	1	1	1	1	1	1
	0	1	1	2	2	0	0	1	1	2	2	0
		0	1	2	0	2	0	0	1	2	0	2
			0	1	2	2	1	1	1	2	0	0
				0	1	0	0	1	1	2	0	0
					0	1	0	0	1	2	0	0
						0	1	1	1	2	0	0
							0	1	1	2	0	0
								0	1	2	0	0
									0	1	2	2
										0	1	0
											0	1
												0

												1
											1		0
										1		1		0
									1		1		1		0
								1		2		2		1		0
							1		2		0		2		1		0
						1		0		2		2		0		1		0
					1		0		0		1		0		0		1		0
				1		1		0		1		1		0		1		1		0
			1		1		1		1		1		1		1		1		1		0
		1		2		2		2		2		2		2		2		2		1		0
	1		2		0		0		0		0		0		0		0		2		1		0
1		0		2		0		0		0		0		0		0		2		0		1		0

1	1	1	1	1	1	1	1	1	1	1	1	1
0	1	1	2	2	0	0	1	1	2	2	0
0	1	2	0	2	0	0	1	2	0	2
0	1	2	2	1	1	1	2	0	0
0	1	0	0	1	1	2	0	0
0	1	0	0	1	2	0	0
0	1	1	1	2	0	0
0	1	1	2	0	0
0	1	2	0	0
0	1	2	2
0	1	0
0	1
0

1	1	1	1	1	1	1	1	1	1	1	1	1
	0	1	1	2	2	0	0	1	1	2	2	0
		0	1	2	0	2	0	0	1	2	0	2
			0	1	2	2	1	1	1	2	0	0
				0	1	0	0	1	1	2	0	0
					0	1	0	0	1	2	0	0
						0	1	1	1	2	0	0
							0	1	1	2	0	0
								0	1	2	0	0
									0	1	2	2
										0	1	0
											0	1
												0